Unibadan Post UTME Past Questions And Answers In Biology

 

University of Ibadan  Post UTME past questions and answers in Biology will not only be useful to candidates writing Biology in UI post UTME exams, but will be of practical help to other candidates preparing for post UTME exams in Biology in other Universities in Nigeria as a whole.  Good luck.

 

  1. _____is an end product of digestion of fat. (a) Glucose (b) Fatty acid (c) Amino acid (d) Fructose (e) Galactose# B
  2. A sexual reproduction in Hydra sp. Is commonly by ____ (a) Binary fission (b) Fragmentation (c) Budding (d) Separation (e) Regeneration ` C
  3. Benedicts solution is used to test for _____ (a) Carbohydrate (b) Lipid (c) Protein (d) Vitamins (e) Minerals       C
  4. Pepsin is an enzyme that digests ____ (a) Starch (b) Sugar (c) Lipid (d) Fat (e) Protein E
  5. The breakdown of large organic molecules into smaller simple soluble molecules is called _______(a) Excretion (b) Digestion (c) Absorption (d) Reproduction (e) Ingestion# B
  6. The enzyme that curdles milks is _______(a) Pepsin (b) Ptyalin (c) Renin (d) Amylase (e) Trypsin C
  7. Which of the enzyme that begins digestion of starch in the mouth? (a) Ptyalin (b) Maltase (c) Amylase (d) Sucrase (e) Lactase A
  8. A group of interacting populations in a particular habitat can be described as _______ (a) biome (b) biosphere (c) community (d) population ecosystem (e) environment. C
  9. A habitat can be define as ____ (a) a group of animals and plants living within a common boundary (b) a place in which plants and animals live. (c) A community living together in the same places (d) different areas, with a common animal and plant population (e) None of the above. B
  10. A symbiotic relationship in which one organism is completely dependent on another organism is called_______(a) Parasitism (b) Commensalisms (c) Mutualism (d) Saprophytism (e) Competition A
  11. An association between two organisms where both members benefit is known as _______ (a) Symbiosis (b) commensalism (c) ammensalism (d) mutualism (e) saprophytism D
  12. An instrument used in measuring the speed of wind is (a) a barometer (b) a wind gauge (c) an anemometer (e) a hydrometer        D
  13. At times hyenas feed on remains of animals killed by other animals. At other times, hyenas themselves kill animals for food. Therefore hyenas may best be described as ______(a) scavengers and herbivores (b) scavengers and parasites (c) scavengers and predators (d) herbivores and predators (e) herbivores and parasites C
  14. Autecology is defined as the study of interrelationship of (a) many species of organisms and their environment (b) same species of organisms and their environment (c) organisms in the atmosphere (e) organisms under the earth’s surface (e) None of the above # B
  15. Autotrophs are also described as ______ (a) Consumers (b) Decomposers (c) Carnivores (d) Producers (e) Herbivores D
  16. If three 30cm lengths of glass tubing are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week the level of water will be (a) Lowest in the tube with clay (b) The same in all the tubes (c) Lowest in the tube with loamy soil (d) Highest in the tube with sandy soil (e) Lowest in the tube with sandy soil E
  17. In a community bacterial and fungi are referred to as ______ (a) producers (b) consumers (c) scavengers (d) tertiary consumers (e) decomposers E
  18. Puddle, Ponds, Rivers, Seas and Oceans are grouped together as_____(a) Ecosystem (b) Biosphere (c) Aquatic habitat (d) Terrestrial habitat (e) Marine environment# C
  19. The feeding pattern in an ecosystem is called …………….(a) Pyramid of energy (b) Food web (c) Food chain (d) Pyramid of member (e) Ecology B
  20. The orderly changes that occur slowly and naturally in plant and animal communities in a given area over a period of time until a stable community is established is called ____ (a) Transformational change (b) ecological succession (c) survival of the fittest (d) weather change (e) environmental change B
  21. The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicate as + 0 is known as ____ (a) predation (b) commensalism (c) habit (d) competition (e) ammensalism# B
  22. The sum total of all the roles an organism plays in a habitat is referred to as (a) ecology (b) ecosystem (c) habit (d) habitat (e) niche E
  23. Which of the following factors does not control population growth? (a) Food shortage (b) Emigration (c) Predation (d) Abundance of food (e) Natural disaster D
  24. Which of the following statements best describe an ecosystem? (a) A place where living organisms can live successfully (b) The interactions between living organism in a habitat and the non-living part of the environment (c) A biological association between a plant and animal (d) A system of grouping organisms in a habitat (e) None of the above. B
  25. Which of these represents a correct food chain in natural? (a) Crustacean–diatom —fish—man (b) Diatom — crustacean — fish— man (c) Fish — crustacean — man – diatom (d) Diatom – fish — crustacean – man (e) None of the above. B
  26. ________is involved in the mechanism of expelling water from the protozoans during the process of _______ (a) Contractile vacuole, Osmoregulation (b) Contractile vacuole Phagocytosis (c) Food vacuole, Ultrafiltration (d) Food vacuole, Pinocytosis (e) Cell membrane, Pinocytosis@ A
  27. _______ is used for photosynthesis in Euglena sp. (a) Reservoir (b) Nucleus (c) Chloroplast (d) Paramylon granule (e) Pellicle@ C
  28. A heart with four chambers is found in _______ (a) Fishes (b) Insects (c) Snails (d) Rats (e) Worms D
  29. Animal cell does not have a ______(a) Membrane (b) Nucleolus (c) Food Vacuole (d) Cell wall (e) Golgi body#  D
  30. Berberi is caused by deficiency of vitamin ________(a) A (b) D (c) K (d) E (e) B
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Ans. E

  1. Compound eyes are found in which of the animals below (a) Rat (b) Cow (c) Snail (d) Ant (e) Jelly D
  2. Dental formula of man consist of (a) 12/2, c2/2, pm2/2, m3/3 (b) i1/1, c2/2, pm2/2 m3/3 (c) i2/2, c1/1, pm3/2, m2/2 (d) i2/2, c1/1, pm2/2, m2/2 (e) i2/2, c1/1, pm2/2, m3/3 E
  3. During digestion of food, passage of chime through the duodenum enables it to become a water liquid called ______ (a) Digested food (b) Chymatic product (c) Chyle (d) Soluble food (e) Dissolved food C
  4. Emulsification of fat and oils is caused by _______ (a) Lipase (b) Ptyalin (c) Trypsin (d) Maltase (e) Bile E
  5. Every mammal has (a) One Kidney (b) Two pairs of Kidneys (c) One pair of Kidneys (d) Four Kidneys (e) None of the above C
  6. Faces is removed from the body in a process called (a) Digestion (b) Egestion (c) Elimination (d) Excretion (e) Evacuation B
  7. Glomerulus is found in the ________(a) Ovary (b) Testes (c) Brain (d) Kidney (e) Stomach# D
  8. In the respiratory system of man, diffusion of gases takes place in (a) Trachea (b) Bronchi (c) Alveoli (d) Bronchioles (e) None of the above C
  9. Incisors are used for (a) Tearing food (b) Cutting food (c) Grinding food (d) Sharing food (e) Crushing food B
  10. Nematocysts are produced by special cells found in (a) Nematodes (b) Annelids (c) Platyhelminthes (d) Cnidarians (Coelenterates) (e) Arthropods# D
  11. One of the following is not a function of the skin (A) Excretion (B) Protection (C) Homeostasis (D) Reproduction (E) Absorption of vitamin D D
  12. Open circulatory system is found in _______(A) Lizard (B) Toad (C) Fish (D) Insect (E) Chicken D
  13. Ovary is to the female reproductive system as ________is to the male reproductive system (A) penis (B) Urethra (C) Testis (D) Cowper’s gland (E) Prostate gland C
  14. Possession of pinna is a characteristics feature of (A) Mammals (B) Reptiles (C) Fishes (D) Amphibians (E) All of the above A
  15. Tadpoles respire with (A) Lungs (B) Nostril (C) Gills (D) Spiracles (E) Siphon C
  16. The excretory organ in the earthworm is _______(A) Malpighian tubule (B) Stoma (C) Nephriduim (D) Flame cells (E) Gills C
  17. The nerves that connect the eyes to the brain are called _____ (A) Cranial nerves (B) Optical nerves (C) Sensory nerves (D) Olfactory nerves (e) Optic nerves E
  18. The nerves that connect the eyes to the brain are called ______(A) Cranial nerves (B) Optical nerves (C) Sensory nerves (D) Olfactory nerves (E) Optic nerves E
  19. The parasympathetic nervous system is involved in _____(A) Dilation of pupil of the eye (B) Control the activities of smooth muscles (C) Dilatation of the skin (D) Controls thinking in mammals (E) Increased metabolism# B
  20. The part of the alimentary system of a bird where grinding of food occurs is (A) Crop (B) Stomach (C) Cloaca (D) Rectum (E) Gizzard E
  21. The part of the ear that contains receptors that convert the fluid motion into action potential is called_____ (A) Auditory nerves (B) Ossicles (C) Semicirclar canals (D) Cochlea (E) Oval window D
  22. The thoracic region of the vertebral column is made up of ______vertebrae (A) 5 (B) 7 (C) 4 (D) 12 (E) 10 D
  23. Which of the animal below is poikilothermic (A) Toad (B) Chicken (C) Bat (D) Lion (E) Dove A
  24. Which of the structures below is found in reptiles and birds (A) Scales (B) Legs (C) Beaks (D) Claws (E) All of the above A
  25. Which of these animals is photosynthetic? (A) Paramecium sp. (B) Amoeba sp. (C) Euglena sp. (D) Hydra sp. (E) None of the above C
  26. Which of these organs regulate the amount of sugar in the blood? (A) Liver (B) Kidney (C) Spleen (D) Lung (E) Pancreas# E
  27. The basis for growth and asexual reproduction is (A) meiosis (B) cytokinesis (C) mitosis (D) Cytogenesis (E) Cell elongation C
  28. The process which ensures that the chromosome number for each species of organisms remain constant from generation to generation is called (A) fission (B) fusion (C) meiosis (D) mitosis (E) oogenesis C
  29. Which of the following is a major factor in variation among organisms? (A) Inbreeding (B) Backcrossing (C) Test crossing (D) Sexual reproduction (E) Gene dominance D
  30. _____________ is an example of an invertebrate (A) Millipede (B) Fish (C) Toad (D) Snake (E) Skin# A
  31. _____________ is the odd one in the list below (A) Mosquito (B) Bee (C) Moth (D) Tick (E) Beetle D
  32. _____________ are flatworms (A) Platyhelminthes (B) Annelida (C) Nematoda (D) Diplopoda (E)Chilopoda# A
  33. _____________ is an example of a unicellular organism (A) Amoeba sp. (B) Hydra sp. (C) Ascaris sp. (D) Taenia sp. (E) Obelia A
  34. ____________ Level is the highest level of organization in animals. (A) System (B) Tissue (C) Organ (D) Cellular (E) Protoplasmic A
  35. Crocodiles are ___________ (A) Fishes (B) Amphibians (C) Mammals (D) Birds (E) None of the above# E
  36. The mutation theory of organic evolution was propounded by (A) Gregor Mendel (B) Hugo de Vrics (C) Jean Lamarck (D) Charles Darwin (E) RobertHookes B
  37. The theory of natural selection was developed by (A) Lamarck and Darwin (B) Darwin and Wallace (C) Wallace and Mendel (D) Mendel and Lamarck (E) Hook and Darwin B
  38. Which is the odd animal in the list below? (A) Lizards (B) Snake (C) Turtles (D) Tortoise (E) Toad E
  39. Which of the following source is not an evidence of evolution? (A) Fossil records (B) Comparative anatomy (C) Comparative embryology (D) Human behavior (E) None of the above D
  40. ___________ is an endoparasite (A) Earthworm (B) Tapeworm (C) Mosquito (D) Housefly (E) Tsetse fly B
  41. The causative agent of bird flu is a (A) Virus (B) Bacteria (C) Fungus (D) Protozoan (E) Ricketsia A
  42. In lower plants like mosses, the structure which performs the functions of roots of higher plants is called (A) root hairs (B) rootlets (C) hyphae (D) rhizoids (E) thalli D
  43. One common feature of fungi, algae, mosses and ferns is that they are (A) photosynthetic (B) show alternation of generation (C) can survive harsh weather conditions (D) have no seeds (E) conjugate D
  44. The following are major groups of the plant kingdom EXCEPT (A) Bryophyta (B) Chlorophta (C) Pteridophyta (D) Spermatopyhta (E) Thallophyta B
  45. ____________ is a form of sexual reproduction (A) Grafting (B) Budding (C) Fission (D) Conjugation (E) Regeneration D
  46. Sexual reproduction in Spirogyra is called (A) Fertilization (B) Symbiosis (C) Conjugation (D) Reproduction (E) Mutualism C
  47. The carrier of the hereditary characters in plants is the (A) Cell (B) Nucleus (C) Chromosome (D) Chloroplast (E) Gene E
  48. All are necessary for photosynthesis except _________ (A) Water (B) Chlorophyll (C) Sunlight (D) Carbon dioxide (E) Oxygen E
  49. Growing yam tendrils climb for support. This growth response is (A) haptotropism (B) geotropism (C) phototropism (D) hydrotropism (E) chemotropism A
  50. Which is the correct order in an evolutionary sequence for the following plant group? (A) bacteria—ferns –mosses—seed plants (B) Bacteria—ferns—mosses algae—seed plants (C) Bacteria—algae—mosses— ferns seed plants (D) Bacteria—mosses—algae—ferns—seed plants (E) Seed plants— ferns—mosses—algae—bacteria. C
  51. ________ is not part of the whorls of a flower. (A) calyx (B) corolla (C) androecium (D) Antheridium (E) Gynoecium# D
  52. A dry fruit can break into several parts each containing one seed is a (A) caryopsis (B) aggregate fruit (C) legume (D) follicle (E) schizocarp E
  53. A dry indehiscent, winged fruit formed from one carpel is known as a (A) Schizocarp (B) Caryopsis (C) Samara (D) Nut (E) Follicle C
  54. A true fruit is formed from (A) fertilized ovary and other floral parts (B) a fertilized ovary (C) a fertilized ovary and calyx (D) a fertilized and fleshy receptacle (E) an unfertilized ovary and other floral parts B
  55. Irish potato is a (A) bulb (B) tap root (C) rhizome (D) root tuber (E) stem tuber D
  56. One major difference between an Angiosperm and a Gymnosperm is that seeds in Gymnosperm are borne in (A) Cones (B) Fruit (C) Flowers (D) Ovary (E) Ovule A
  57. Reserved food material in the seed is stored in the (A) epicarp (B) endocarp (C) endosperm (D) mesocarp (E) all parts C
  58. What type of fruit is a mango fruit? (A) Berry (B) Hesperidium (C) Drupe (D) Nut (E) Mango fruit C
  59. Which of the following species exhibit an aerial root? (A) Ficus (B) Centrosema (C) Antigonon (D) Lantana (E) Dahlia A
  60. Which of these plants has an emerginate apex? (A) Bauhinia (B) Pistia (C) lxora (D) Musa (E) Terminalia A
  61. Which plant stores food in its roots? (A) Cassava (B) Cocoyam (C) Irish potato (D) Onion (E) Yam. A
  62. An example of Vascular tissues is ______ (A) Trichome (B) Xylem (C) Stomata (D) Epidermis (E) Parenchyma B
  63. The living part of phloem tissue is (A) sieve plate (B) companion cell (C) sieve element (D) cytoplasm# B
  64. Which of the following tissues are made up of dead cells (A) meristems (B) xylem vessels (C) cambium (D) mesophyll (E) palisade B
  65. A plant vacuole contains (A) dissolved chemicals, sugars, salts, pigments and crystals (B) waste products of metabolism, DNA, RNA and crystals (C) pigments, crystals, DNA and waste products of metabolism (D) RNA, DNA, sugars and salt A
  66. Excessive loss of water in plants is known as (A) Osmosis (B) Osmoregulation (C) Transpiration (D) Excretion C
  67. Starch granules in plants is equivalent to _______granules in animals (A) Food (B) Chromatin (C) Lysosome (D) Mitochondria (E) Glycogen E
  68. Which of the following is a plant excretory product? (A) Oil (B) Cytokinin (C) Resin (D) Amino acids (E) gibberellins. C
  69. A plant which grows on another without causing harm to the host plant is called_____ (A) a parasite (B) a saprophyte (C) an epiphyte (D) a predator (E) a prey#. C
  70. Plants which can survive in places where water supply is limited are (A) bryophytes (B) mesophytes (C) xerophytes (D) hydrophytes (E) pteridophytes C
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In summary, the above questions in Biology  are what candidates should expect to prepare them adequately to build their confidence in the University of Ibandan (Post UTME Exams) and other post UTME exams in other universities as well as JAMB questions in Nigeria. You are enjoined to study them with all amounts of seriousness and determination to pass the exams since most questions are most often repeated yearly.

 

 

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